Most shingle manufactures recommend using four nails per shingle on the main area of your roof and five nails per square in the first row of roofing. This adds up to an average of 320 nails or 100 square feet. If you have high wind areas, you will want to use five nails pers shingle, equating to about 480 per square.
Where should nails be placed in shingles?
Use 4 nails per shingle placed 6-1/8″ above the butt edge, 1″ and 13″ in from each end and 1/2″ above each cutout. Drive nails straight so that nail head is flush with, but not cutting into shingle surface.
How long should nails be for 2 layers of shingles?
The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches. Measure each area of the roof, in feet, to determine how many shingles will be needed. Multiply the length of each area by the width to determine the square footage.
Are architectural shingles harder to install?
Since an architectural shingle roof is easier to install, is more durable and comes with a better warranty, its lifespan cost is, in many instances, actually less than that of a more basic 3-tab roof.
Are architectural shingles better than 3-tab?
Essentially, architectural shingles are more substantial than 3-tab shingles. In fact, they are about 50 percent heavier than the 3-tab kind. The base mat on an architectural shingle is thicker than that on a 3-tab shingle. This makes the architectural shingle a sturdier roofing material.
What size nails do you use for shingles?
Fasteners for asphalt shingles shall be galvanized, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (2.67 mm)] shank with a minimum 3/8-inch-diameter (9.5 mm) head, of a length to penetrate through the roofing materials and not less than 3/4 inch (19.1 mm) into the roof sheathing.
Can I use 1 inch roofing nails?
If you’re using typical architectural shingles and 3/8-inch-thick sheathing, you’ll need 1‐inch nails. If your building codes require thicker sheathing, you’ll need 1 ¼-inch nails. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully.
Is it better to hand nail shingles?
Some roofers believe hand-nailing shingles gives them more control over the process. They can use “feel” to determine if the nail is deep enough and in the right location. Since hand-nailing takes a bit more time, they have the chance to correct any mistakes on the spot. On the other hand, labor costs will be higher.
Is it OK to put new shingles over old?
The answer is yes, you can lay new roof shingles over old ones. … You can’t do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition.
How far should a nail penetrate?
We should have used a 3/4-in. brad or at most a 1-in. 16-gauge nail on this miter. A good rule of thumb is to pick a nail long enough to go through the material you’re fastening and penetrate the underlying wood about 3/4 in. to 1 in.
Can you put a second layer of shingles over architectural shingles?
The standard practice was that you could install a new layer of singles directly over the old layer during a re-roof. … The quick answer is yes you can re-roof architectural shingles over existing architectural shingles (however you must check with the shingle manufacturer as well).
What is the price difference between 3-tab shingles and architectural?
When it comes to cost, architectural shingles typically runs $35 to $45 per bundle. Three-tab shingles cost an average of $25 to $30 per bundle. On the surface, the architectural shingles are 40 to 50 percent more expensive.
Are architectural shingles worth the money?
In a word, yes—the benefits of architectural shingles make the extra cost more than worth it. (Which, depending on your contractor, is around $15 per square. … Architectural shingles have many benefits, including better curb appeal, improved wind resistance, and a longer manufacturer warranty.
Is architectural shingles harder than 3-tab?
3-tab shingles are lower in quality; they will blow off a lot sooner than other economical options, which makes these shingles a more costly maintenance item in the long run. … Part of the reason for this is that it is easier to install an architectural shingle properly.